Home / 96,703.11-144,392.85-86,642.91

Finding the Fourth Proportional to 96,703.11, 144,392.85 and 86,642.91

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Solution

The fourth proportional to 96,703.11, 144,392.85 and 86,642.91 is: 129,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,703.11 : 144,392.85 = 86,642.91 : x
  2. Step 2: Convert to fraction form
    96,703.11/144,392.85 = 86,642.91/x
  3. Step 3: Cross multiply
    96,703.11x = 144,392.85 × 86,642.91
  4. Step 4: Simplify right side
    96,703.11x = 12,510,616,707.19
  5. Step 5: Solve for x
    x = 12,510,616,707.19/96,703.11
  6. Step 6: Final answer
    x = 129,371.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.